Patent US2807495A successfully refreshed from Google Patents.
Patent US3681682A successfully refreshed from Google Patents.
Patent US2378094A successfully refreshed from Google Patents.
US2378094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal boring or cutting tool
Assignee: DOMINION DIAMOND CUTTING Co
•
Filing: 1943-06-18
•
Granted: 1945-06-12
•
Expires: 1963-06-18
Abstract
No abstract record available.
Inventors
- 👤 Nunes-Vaz Jacobus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:40
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/18; B23B27/20; Y; Y10; Y10S; Y10S408/00; Y10S408/713; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2272; Y10T407/2282; Y10T407/2292; Y10T407/23; Y10T407/28; Y10T408/00; Y10T408/89
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-06-11 | 1948-12-11 | 1949-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-06-11 | 1952-12-11 | 1953-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-06-11 | 1956-12-11 | 1957-06-12 | $7700.00 | Window Closed / Lapsed |